Geocentric translations (geog2D domain)
Derived at 84 stations.
U.S. Defense Mapping Agency TR8350.2 September 1987.
1996-10-18
4585822.53 7607983.7
1883192.47 3426441.64
7226364.77 11604547.41
-82.0 -56.15
-34.0 13.0
Definition: OGC Well Known Text
PROJCS["SAD69 / Brazil Polyconic", GEOGCS["SAD69", DATUM["South_American_Datum_1969", SPHEROID["GRS 1967",6378160,298.247167427], TOWGS84[-57,1,-41,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree minute second hemisphere",0.0174532925199433], AUTHORITY["EPSG","4291"]], PROJECTION["Polyconic"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",-54], PARAMETER["false_easting",5000000], PARAMETER["false_northing",10000000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","29100"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["SAD69 / Brazil Polyconic", BASEGEOGCRS["SAD69", DATUM["South American Datum 1969", ELLIPSOID["GRS 1967",6378160,298.247167427, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4291]], CONVERSION["Brazil Polyconic", METHOD["American Polyconic", ID["EPSG",9818]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-54, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["False easting",5000000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",10000000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Topographic mapping (small scale)."], AREA["Brazil - onshore and offshore. Includes Rocas, Fernando de Noronha archipelago, Trindade, Ihlas Martim Vaz and Sao Pedro e Sao Paulo."], BBOX[-35.71,-74.01,7.04,-25.28]], ID["EPSG",29100]]
Definition: ESRI Well Known Text
PROJCS["SAD_1969_Brazil_Polyconic", GEOGCS["GCS_South_American_1969", DATUM["D_South_American_1969", SPHEROID["GRS_1967",6378160.0,298.247167427]], PRIMEM["Greenwich",0.0], UNIT["degree minute second hemisphere",0.0174532925199433]], PROJECTION["Polyconic"], PARAMETER["False_Easting",5000000.0], PARAMETER["False_Northing",10000000.0], PARAMETER["Central_Meridian",-54.0], PARAMETER["Latitude_Of_Origin",0.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "SAD69 / Brazil Polyconic", "base_crs": { "name": "SAD69", "datum": { "type": "GeodeticReferenceFrame", "name": "South American Datum 1969", "ellipsoid": { "name": "GRS 1967", "semi_major_axis": 6378160, "inverse_flattening": 298.247167427 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": { "type": "AngularUnit", "name": "degree minute second hemisphere", "conversion_factor": 0.0174532925199433 } }, { "name": "Geodetic longitude", "abbreviation": "Long", "direction": "east", "unit": { "type": "AngularUnit", "name": "degree minute second hemisphere", "conversion_factor": 0.0174532925199433 } } ] }, "id": { "authority": "EPSG", "code": 4291 } }, "conversion": { "name": "Brazil Polyconic", "method": { "name": "American Polyconic", "id": { "authority": "EPSG", "code": 9818 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -54, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "False easting", "value": 5000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 10000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": "metre" } ] }, "scope": "Topographic mapping (small scale).", "area": "Brazil - onshore and offshore. Includes Rocas, Fernando de Noronha archipelago, Trindade, Ihlas Martim Vaz and Sao Pedro e Sao Paulo.", "bbox": { "south_latitude": -35.71, "west_longitude": -74.01, "north_latitude": 7.04, "east_longitude": -25.28 }, "id": { "authority": "EPSG", "code": 29100 } }
Definition: GeoServer
29100=PROJCS["SAD69 / Brazil Polyconic",GEOGCS["SAD69",DATUM["South_American_Datum_1969",SPHEROID["GRS 1967",6378160,298.247167427],TOWGS84[-57,1,-41,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree minute second hemisphere",0.0174532925199433],AUTHORITY["EPSG","4291"]],PROJECTION["Polyconic"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-54],PARAMETER["false_easting",5000000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","29100"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=poly +lat_0=0 +lon_0=-54 +x_0=5000000 +y_0=10000000 +ellps=GRS67 +towgs84=-57,1,-41,0,0,0,0 +units=m +no_defs +type=crs"> <Layer srs="+proj=poly +lat_0=0 +lon_0=-54 +x_0=5000000 +y_0=10000000 +ellps=GRS67 +towgs84=-57,1,-41,0,0,0,0 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 29100, 'EPSG', 29100, '+proj=poly +lat_0=0 +lon_0=-54 +x_0=5000000 +y_0=10000000 +ellps=GRS67 +towgs84=-57,1,-41,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["SAD69 / Brazil Polyconic",GEOGCS["SAD69",DATUM["South_American_Datum_1969",SPHEROID["GRS 1967",6378160,298.247167427],TOWGS84[-57,1,-41,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree minute second hemisphere",0.0174532925199433],AUTHORITY["EPSG","4291"]],PROJECTION["Polyconic"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-54],PARAMETER["false_easting",5000000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","29100"]]');